| 摘要 |
PROBLEM TO BE SOLVED: To provide an imaging device capable of accurately correcting a camera shake on panning or tilting just after panning. SOLUTION: The imaging apparatus includes: an angular velocity sensor 11, which outputs a blurring signal; a high-pass filter circuit unit 12, which eliminates a direct current component in accordance with a first time constant, and which outputs a fluctuation portion with respect to a reference voltage as an angular velocity signal; an analog switch ASW 1, which causes a charge that is accumulated within the high-pass filter circuit unit 12 to discharge according to a second time constant; a computation unit 15, which is for performing a computation in order to correct a blurring of an image in accordance with the angular velocity signal; and a detection circuit unit 15D, which, in order to detect a change-over time of the angular velocity, samples the angular velocity signal on a per fixed time interval basis, obtains a derivative in accordance with a value thus sampled of the angular velocity signal, and detects a change-over time in a size of the derivative thus obtained, wherein the time constant of the high-pass filter is switched between the first time constant and the second time constant by controlling a switching on or off of the analog switch based on the result of the detection that is performed by the detection circuit unit 15D. COPYRIGHT: (C)2009,JPO&INPIT |
